Route 242 is an east-west collector road in the northwest of the Canadian province of Nova Scotia, following the Chignecto Bay, an inlet of the Fundy Bay. It is lightly trafficked, 16 kilometers long, and goes across mostly forested lands. It is paved entirely by asphalt.
It is located in Cumberland County and connects Joggins at Route 209 with Maccan at Route 302. It is designated as part of the Fundy Shore Scenic Drive.
Route 242 begins at the northern terminus of Route 209, at Joggins where is immediately leaves the river. The route then reaches River Hebert. It then bifurcates towards the north for a short distance to follow Herbert River, afterwards it turns east for 8 kilometers, until Maccan, where it terminates at a T-intersection with Route 302.